SQL exercises on hospital Database: Find the names of all patients who has been prescribed some medication by his/her physician who has carried out primary care and the name of that physician

SQL hospital Database: Exercise-36 with Solution

36. From the following table, write a SQL query to find those patients who have been prescribed by some medication by his/her physician who has carried out primary care. Return Patient name as “Patient”, and Physician Name as “Physician”.

Sample table: patient

Sample table: prescribes

Sample table: physician

Sample Solution:

SELECT pt.name AS "Ptient",
       p.name AS "Physician"
FROM patient pt
JOIN prescribes pr ON pr.patient=pt.ssn
JOIN physician p ON pt.pcp=p.employeeid
WHERE pt.pcp=pr.physician
  AND pt.pcp=p.employeeid;

Sample Output:

   Ptient   |  Physician
------------+-------------
 John Smith | John Dorian
(1 row) 

Practice Online

E R Diagram of Hospital Database:

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